Why Upgrade to ACT 3000503?

Common Subaru clutch issues:

• Slipping under boost
• Weak engagement on tuned setups
• Premature wear with bolt-ons
• Jerky engagement from worn discs

ACT Fixes That:

• Upgraded organic friction material improves grip
• Better heat resistance vs OEM disc
• Sprung hub reduces drivetrain shock
• Smoother engagement than puck-style discs

Translation: holds power without punishing you.

ACT Performance Street Take hold of Discs are designed for smooth engagement, quiet operation, and improved durability.

Vehicle Fitment (Subaru Platform)

Designed for select manual transmission Subaru applications:

Subaru:

• Impreza WRX (2002–2005 – 2.0L Turbo EJ205)
• Legacy GT (select models)
• Forester XT (select models)

Engine Compatibility:

• EJ205 / EJ255 / EJ257 platforms (depending on setup)

Transmission:

• Manual transmission only

Ideal For:

• Stage 1 / Stage 2 builds
• Daily drivers with mods
• Street performance setups
• Light track use

If your clutch slips under boost—but you still daily drive—this is your fix.

This Performance Organic Street style disc uses a premium organic friction subject matter for prime warmth tolerance, quick recovery, just right friction, and long life.

What’s Included

• ACT 3000503 performance organic clutch disc

(Simple—but it does the heavy lifting.)

Key Features

• High-quality organic friction material
• Sprung hub for smoother engagement
• Improved torque holding vs OEM
• Better heat resistance
• Compatible with ACT pressure plates

The linings are backed with steel for very top burst strength, and the middle section resists failure even below harsh conditions.

Performance Benefits

• Eliminates clutch slip under moderate power upgrades
• Improves engagement smoothness and consistency
• Handles increased torque from tuning
• Maintains excellent street drivability

No slipping. No harsh chatter. Just usable grip.

⚠️ What to Expect

• Slightly firmer engagement than stock
• Not designed for:
  • Big turbo builds
  • Extreme horsepower setups

Translation: perfect for street builds—not for 600HP chaos.

Installation Notes

• Pair with:
  • ACT pressure plate (recommended)
• Inspect:
  • Flywheel condition
  • Clutch hydraulics
• Follow proper break-in period (500–750 miles)
• Ideal install during:
  • Clutch replacement
  • Mild performance upgrades

The spring center construction properly dampens torsional vibrations for quieter operation. Modified for quicker shifting, this disc is certified SFI Spec. 1.1.

Special performance friction materials resist increased warmth and abuse

Why ACT 3000503 clutch disc?

Because ACT:

• Specializes in balanced performance clutch systems
• Is trusted across Subaru turbo platforms
• Delivers real-world drivability and durability

Final Verdict

The ACT 3000503 Performance Organic Clutch Disc is the perfect middle ground—stronger than stock, smoother than race setups, and ideal for daily-driven Subaru builds.

Finally lets you hold boost… without hating traffic.